Cutting edge for drilling tool



FIG. 1 is a front view of a cutting edge for drilling tool of a first embodiment showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a first perspective view thereof;

FIG. 8 is a second perspective view thereof;

FIG. 9 is a referential view showing the state in use thereof;

FIG. 10 is an enlarged view of the portion 10 in FIG. 9;

FIG. 11 is a front view of a cutting edge for drilling tool of a second embodiment showing our new design;

FIG. 12 is a rear view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a first perspective view thereof;

FIG. 18 is a second perspective view thereof;

FIG. 19 is a referential view showing the state in use thereof; and,

FIG. 20 is an enlarged view of the portion 20 in FIG. 19.

The broken lines shown in views represent portions of the cutting edge for drilling tool that form no part of the claimed design. 

CLAIM The ornamental design for a cutting edge for drilling tool, as shown and described. 